Event ID 14020 — Storage Initialization

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Applies To: Windows Server 2008

This is preliminary documentation and subject to change.

This aspect refers events relevant to the storage of the virtual machine that are caused by storage configuration.

Event Details

Product: Windows Operating System
ID: 14020
Source: Microsoft-Windows-Hyper-V-VMMS
Version: 6.0
Symbolic Name: MSVM_VMMS_CORRUPTED_AVHD_ERROR
Message: An error occurred because the snapshot is corrupted. The disk paths of the parent and child snapshots are the same: %3. (Virtual machine ID=%2.) To fix the problem, delete the child snapshot.

Resolve

Delete child snapshot

Delete the child snapshot file. By default snapshots are stored at %systemdrive%\ProgramData\Microsoft\Windows\Hyper-V\Snapshots.

A snapshot in Hyper-V is a file-based snapshot of the state, disk data, and configuration of a virtual machine at a specific point in time. For more information about snapshots, see https://go.microsoft.com/fwlink/?LinkId=147648.

Verify

The virtual machine with the storage attached is able to launch successfully.

Storage Initialization

Hyper-V